Yes, but at a quick glance, the asking price seems to be €100 !!!!! That is a little out of my budget. :D The online catalog of the Library of Congress lists a copy, but the last time I checked, it was not available. (However, there are errors in the online catalog, and I could do some more searching.) Also, there might be digital copies available somewhere online.

[...]

By the way, I thionk that Professor Tiscxh(l)er did not exist. He was, I
believe Bolak himself - who had spent time in his youth in London. Sadly,
he over-estimated his mastery of English.

Possible, of course. I have not (yet, anyway) read the Tischer text in depth, so I have not examined the quality of the English.